Home / 66,935.60-92,370.74-36,720.14

Finding the Fourth Proportional to 66,935.60, 92,370.74 and 36,720.14

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Solution

The fourth proportional to 66,935.60, 92,370.74 and 36,720.14 is: 50,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.60 : 92,370.74 = 36,720.14 : x
  2. Step 2: Convert to fraction form
    66,935.60/92,370.74 = 36,720.14/x
  3. Step 3: Cross multiply
    66,935.60x = 92,370.74 × 36,720.14
  4. Step 4: Simplify right side
    66,935.60x = 3,391,865,859.25
  5. Step 5: Solve for x
    x = 3,391,865,859.25/66,935.60
  6. Step 6: Final answer
    x = 50,673.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.